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LiRa [457]
3 years ago
8

Choose the function whose graph is given by:

Mathematics
1 answer:
disa [49]3 years ago
3 0
Answer is B. y = cos (2x)

The reason for that is that the default f(x)=cos(x) function is 1 when x is 0, and is 0 when x is pi/2. The graph shown is also 1 when x is 0, but it is 1 when x is pi/4 instead, which means that the graph is 2 times faster than the default one. This is why the answer is y=cos2x
:)
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Concerns about climate change and CO2 reduction have initiated the commercial production of blends of biodiesel (e.g., from rene
OverLord2011 [107]

Answer: (0.9460\ ,\ 0.9500)

Step-by-step explanation:

Given : Population mean : \mu=0.9480

Standard deviation : \sigma=0.0060

Sample size : n=35

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Critical value = z_{\alpha/2}=\pm1.96

The confidence interval for sample mean is given by :-

\mu\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

i.e. 0.9480\pm (1.96)\dfrac{0.0060}{\sqrt{35}}

\approx0.9480\pm0.0020=(0.9480-0.0020\ ,\ 0.9480+0.0020)\\\\=(0.9460\ ,\ 0.9500)

Hence, the required interval=  (0.9460\ ,\ 0.9500)

4 0
3 years ago
What is the difference between the highest and lowest points in a data set?
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4 0
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Find the measure of each side of an equilateral triangle whose area is √3 cm<br>STEP BY STEP​
Dafna11 [192]

Answer:

s = 2 cm

Step-by-step explanation:

Given the following data;

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Substituting into the formula, we have;

√3 = √3 * s²/4

Dividing both sides by √3, we have;

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Cross-multiplying, we have;

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3 years ago
Solve-4(x + 1) -3 = -3(x4)
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